Pen



FIG. 1 is a front perspective view of a pen showing my new design.

FIG. 2 is a rear perspective view thereof.

FIG. 3 is a side view thereof.

FIG. 4 is another side view thereof.

FIG. 5 is another side view thereof.

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The shading lines shown in the drawings represent the approximate three-dimensional contour of the design and are not intended to indicate surface decoration. 

CLAIM I claim the ornamental design for an pen, as shown and described. 